Finding the Fourth Proportional to 132,166.99, 182,390.64 and 71,737.65
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Solution
The fourth proportional to 132,166.99, 182,390.64 and 71,737.65 is: 98,998.06
Step by Step Solution
- Step 1: Write the proportion equation
132,166.99 : 182,390.64 = 71,737.65 : x - Step 2: Convert to fraction form
132,166.99/182,390.64 = 71,737.65/x - Step 3: Cross multiply
132,166.99x = 182,390.64 × 71,737.65 - Step 4: Simplify right side
132,166.99x = 13,084,275,490.17 - Step 5: Solve for x
x = 13,084,275,490.17/132,166.99 - Step 6: Final answer
x = 98,998.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.